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WorksheetsPractice exam for voucher
Total questions: 91
Worksheet time: 46mins
A user reports that their laptop screen intermittently flickers and sometimes displays distorted images. They have tried restarting the device, but the issue persists. Which of the following hardware components is the MOST likely cause of this problem?
The CMOS battery
The wireless network adapter
The display cable
The solid-state drive (SSD)
A technician is tasked with upgrading the RAM in a laptop. Upon opening the laptop, they observe a small, vertically oriented memory module with 260 pins. Which of the following RAM form factors is MOST likely being used in this laptop?
DIMM
SODIMM
Micro-DIMM
UniDIMM
A user needs to connect an older external monitor with a VGA port to their new laptop, which only has a USB-C port that supports DisplayPort Alternate Mode. Which of the following adapters would be the MOST appropriate solution?
USB-C to Ethernet adapter
USB-C to USB-A adapter
USB-C to HDMI adapter
USB-C to VGA adapter
A user is traveling internationally and wants to ensure their smartphone can connect to local cellular networks for data. Which of the following technologies would BEST facilitate this, assuming their phone has the necessary hardware?
Bluetooth tethering
Wi-Fi Direct
Global System for Mobile Communications (GSM)
Near-Field Communication (NFC)
A technician is setting up a new tablet for a user who needs to access corporate resources remotely and securely. Which of the following methods would BEST establish a secure, encrypted connection over a public network?
Connecting to the guest Wi-Fi
Using Bluetooth to tether to their smartphone
Establishing a Virtual Private Network (VPN) connection
Syncing files directly to a cloud storage service
A user wants to transfer a large video file from their Android smartphone to their Windows laptop wirelessly without an internet connection. Which of the following technologies would be the MOST suitable for this direct file transfer?
Bluetooth
Wi-Fi Direct
NFC
Infrared (IR)
Which of the following display technologies commonly found in mobile devices utilizes organic compounds that emit light when an electric current is applied, offering vibrant colors and deep blacks?
Liquid Crystal Display (LCD)
Thin-Film Transistor (TFT)
Light Emitting Diode (LED)
Organic Light Emitting Diode (OLED)
A customer is complaining that the touchscreen on their tablet is unresponsive in certain areas. After a visual inspection, there are no obvious cracks or damage. Which of the following is the MOST likely underlying cause of this issue?
A faulty digitizer
A corrupted operating system
A depleted battery
A loose Wi-Fi antenna connection
A user wants to connect a set of wired headphones with a 3.5mm audio jack to their new smartphone, which only has a USB-C port. Which of the following accessories would be required?
A USB-C docking station
A USB-C to Ethernet adapter
A USB-C to 3.5mm headphone adapter
A Bluetooth receiver
A technician needs to configure an email account on a user's smartphone that utilizes the IMAP protocol. Which of the following port numbers is COMMONLY associated with unencrypted IMAP connections?
25
110
143
465
A user is concerned about data security on their lost Android smartphone. Which of the following actions, if previously configured, would BEST allow them to remotely erase all personal data from the device?
Disabling Bluetooth
Resetting the Wi-Fi password
Using a "find my device" service with remote wipe capabilities
Changing their email password
Which of the following mobile device synchronization methods typically involves a direct physical connection between the device and a computer using a cable?
Over-the-air (OTA) updates
Cloud-based synchronization
Local synchronization
Bluetooth pairing
A customer is asking about the capabilities of their new smartwatch. Which of the following features is MOST indicative of a wearable device with its own cellular connectivity, independent of a paired smartphone for basic communication?
The ability to track steps and heart rate
The presence of a built-in GPS for navigation
The inclusion of an eSIM (embedded SIM)
The capability to receive Bluetooth notifications from a phone
A small office network utilizes dynamically assigned IP addresses for its workstations. Which of the following network services is responsible for automatically providing these IP addresses?
DNS
DHCP
ARP
NAT
A user is unable to access a specific website, but can still access other websites. When they try to ping the website's IP address, the ping is successful. Which of the following is the MOST likely cause of this issue?
A problem with the user's default gateway configuration.
A firewall on the user's computer blocking HTTP/HTTPS traffic.
An issue with the DNS server resolving the website's name.
A physical layer connectivity problem with the network cable.
Which of the following IP address ranges is reserved for private networks and is NOT routable on the public internet?
192.168.0.0 - 192.168.255.255
172.16.0.0 - 172.31.255.255
10.0.0.0 - 10.255.255.255
All of the above
A technician is configuring a new wireless router for a home network. Which of the following security protocols offers the MOST robust encryption and authentication methods?
WEP
WPA
WPA2
WPA3
A company has two separate local area networks (LANs) that need to communicate with each other. Which of the following networking devices is typically used to facilitate routing traffic between these two different network segments?
A hub
A switch
A router
A modem
Which of the following internet connection types typically offers the highest upload and download speeds and utilizes fiber optic cables?
DSL
Cable
Fiber to the Home (FTTH)
Satellite
A network administrator needs to prevent unauthorized devices from accessing the company's wireless network based on their physical MAC addresses. Which of the following security features should be implemented on the wireless access point?
SSID hiding
MAC address filtering
WPA2-Personal with a strong passphrase
Port forwarding
Which of the following networking devices operates at Layer 2 (Data Link Layer) of the OSI model and forwards data packets based on MAC addresses?
A router
A switch
A firewall
A hub
A technician is troubleshooting a slow network connection on a wired Ethernet network. Which of the following cabling standards is capable of supporting Gigabit Ethernet speeds (1000 Mbps)?
Cat 3
Cat 5
Cat 5e
Cat 6
Which of the following wireless networking standards operates on both the 2.4 GHz and 5 GHz frequency bands and offers significantly faster speeds than 802.11n?
802.11a
802.11b
802.11g
802.11ac
A user reports they cannot connect to the internet via their home Wi-Fi. Other devices on the same network are functioning correctly. Which of the following is the MOST likely first step in troubleshooting this issue on the user's device?
Reconfiguring the TCP/IP settings.
Updating the network adapter drivers.
Verifying the Wi-Fi password and connection to the correct SSID.
Performing a factory reset of the wireless router.
Which of the following network services translates human-readable domain names into IP addresses?
DHCP
DNS
SMTP
FTP
A technician is installing a new network cable in a wall. Which of the following cable types is BEST suited for this permanent installation due to its solid core conductors?
Patch cable
Stranded cable
Solid core cable
Crossover cable
Which of the following connectors is MOST commonly used to terminate unshielded twisted pair (UTP) Ethernet cables?
BNC connector
RJ-11 connector
RJ-45 connector
F-connector
A small office needs to provide internet access to guests without giving them access to the internal network resources. Which of the following network configurations would BEST achieve this?
Implementing MAC address filtering on the primary network.
Creating a separate guest Wi-Fi network with its own SSID and security settings.
Using a network hub instead of a switch.
Which of the following network protocols is commonly used for securely transferring files between a client and a server?
HTTP
FTP
SMTP
SFTP
A network technician needs to configure a static IP address for a server. Which of the following pieces of information is MANDATORY to configure in addition to the IP address itself?
Preferred DNS server only.
Subnet mask and default gateway only.
Subnet mask, default gateway, and at least one DNS server.
MAC address of the network interface card.
Which of the following network devices can function as both a router and a wireless access point, commonly found in SOHO environments?
A network interface card (NIC)
A network switch
A wireless router
A firewall appliance
Which of the following CPU characteristics primarily determines the number of independent processing units within a single physical chip?
Clock speed (GHz)
Cache size (MB)
Number of cores
Thermal Design Power (TDP)
A technician is installing a new motherboard and needs to connect the front panel connectors for power, reset, and activity LEDs. Where would the technician typically find the pinout diagram for these connections?
On the CPU itself
In the motherboard’s manual
On the CMOS battery
On the chassis of the computer case
Which of the following RAM types is characterized by its higher transfer rates due to its ability to transfer data twice per clock cycle?
SDR SDRAM
DDR SDRAM
DDR2 SDRAM
RDRAM
A user wants to upgrade their graphics card for better gaming performance. Which of the following interfaces provides the highest bandwidth for connecting a modern high-end graphics card to the motherboard?
PCI
AGP
PCI-e x1
PCI-e x16
A technician is installing a new NVMe solid-state drive. Which of the following motherboard interfaces is REQUIRED to utilize the full speed potential of this type of drive?
SATA III
PCIe
M.2 slot with NVMe support
mSATA
Which of the following power supply connectors is the PRIMARY connector used to supply power to the motherboard in a modern ATX system?
Molex connector
SATA power connector
4/8-pin EPS connector
24-pin ATX connector
A user reports that their computer randomly shuts down during intensive tasks. Which of the following is the MOST likely hardware component failure causing this issue?
A faulty network interface card (NIC)
An overheating CPU
A failing hard drive
A defective optical drive
A technician suspects a hard drive failure. Which of the following SMART (Self-Monitoring, Analysis and Reporting Technology) attributes would be the MOST indicative of a mechanical issue with the drive?
Power-on hours
Temperature
Reallocated sector count
Interface CRC error count
A user's monitor displays a "No Signal" error when the computer is turned on. The power light on the monitor is green, and the computer's power light is also on. Which of the following is the MOST likely first step in troubleshooting this issue?
Reinstalling the operating system.
Checking the connection between the monitor and the video card.
Replacing the CMOS battery.
Reseating the RAM modules.
Which of the following display connectors transmits digital video signals and can also carry audio?
VGA
DVI-A
HDMI
S-Video
A projector is displaying a distorted image with incorrect colors. Which of the following could be a potential cause related to the projector or its connection?
A faulty network cable connected to the projector.
Incorrect resolution settings on the source device.
A depleted toner cartridge in the projector.
A loose or damaged power cable to the projector.
Which of the following printer types uses a powdered toner and a heated fuser to create images on paper?
Inkjet printer
Dot-matrix printer
Thermal printer
Laser printer
A technician is replacing a failed motherboard. What crucial step must be taken to ensure any software licensing tied to the old motherboard is properly transferred or reactivated on the new one?
Backing up all user data.
Documenting the old motherboard's serial number and any associated software licenses.
Reinstalling all applications.
Formatting the hard drive before installing the new motherboard.
Which of the following memory module form factors is typically used in desktop computers and has a 288-pin configuration for DDR4?
SODIMM
DIMM
Micro-DIMM
Mini-DIMM
A computer has integrated graphics, but the user has installed a dedicated graphics card. Which of the following must typically be done in the BIOS/UEFI settings to ensure the dedicated card is used as the primary display adapter?
Disable onboard Wi-Fi.
Enable virtualization technology.
Select the discrete graphics card as the primary display output.
Adjust the CPU clock speed.
Which of the following storage technologies offers the fastest data access speeds and does not have any moving mechanical parts?
Magnetic Hard Disk Drive (HDD)
Solid State Drive (SSD)
Hybrid Drive (SSHD)
Blu-Ray Disc
A technician needs to install a second hard drive in a system that already has one SATA drive connected. Which of the following interfaces on the motherboard would typically be used for this additional drive?
The primary IDE connector.
An available SATA port.
The floppy drive connector.
The PCIe x16 slot.
A user reports that their inkjet printer is printing blank pages. Which of the following is the MOST likely initial troubleshooting step?
Replacing the fuser unit.
Checking the ink levels and print cartridges.
Updating the printer driver.
Cleaning the print heads.
Which of the following power supply ratings indicates the maximum amount of power the unit can deliver under ideal conditions?
Voltage (V)
Current (A)
Wattage (W)
Efficiency (%)
A technician is troubleshooting a computer that powers on but does not boot, and there are no beep codes. Which of the following components is a likely culprit?
A faulty network card.
A malfunctioning hard drive.
A problem with the RAM modules.
A defective optical drive.
Which of the following types of expansion cards is specifically designed to provide additional network connectivity to a computer?
Sound card
Video card
Network Interface Card (NIC)
USB expansion card
A user wants to connect multiple USB devices to their laptop, but it only has two USB ports. Which of the following devices would BEST allow them to connect several additional USB peripherals simultaneously?
A USB extension cable
A USB hub
A USB to Ethernet adapter
A USB drive
Which of the following printer maintenance tasks is MOST critical for preventing paper jams and ensuring smooth operation in a laser printer?
Replacing the ink cartridges regularly.
Cleaning the print heads.
Maintaining clean and undamaged paper feed rollers.
Updating the printer firmware.
A technician is setting up a virtual environment on a user's workstation, allowing them to run a different operating system within their primary OS. Which of the following software types is essential for creating and managing these virtual machines?
A hypervisor
A virtual network interface card
A cloud management platform
A containerization engine
Which of the following client-side virtualization types directly installs onto the host operating system, acting as an application, and relies on the host OS for resource management?
Type 1 hypervisor (bare-metal)
Type 2 hypervisor (hosted)
Container virtualization
Hardware partitioning
A user needs to run a legacy application that is only compatible with an older operating system. Which of the following virtualization solutions would be the MOST suitable for this scenario on their modern workstation?
Deploying a container with the legacy application.
Creating a virtual machine with the older operating system installed.
Utilizing a cloud-based software-as-a-service (SaaS) alternative.
Implementing client-
Which of the following cloud computing service models provides users with access to computing resources such as virtual machines, storage, and networks, allowing them to install and manage their own operating systems and applications?
Software as a Service (SaaS)
Platform as a Service (PaaS)
Infrastructure as a Service (IaaS)
Function as a Service (FaaS)
A software development team needs a cloud environment where they can deploy, run, and manage their applications without worrying about the underlying infrastructure. Which cloud computing service model BEST fits this requirement?
Infrastructure as a Service (IaaS)
Software as a Service (SaaS)
Platform as a Service (PaaS)
Business Process as a Service (BPaaS)
Which of the following is a key benefit of using client-side virtualization for testing software in different environments?
It eliminates the need for physical hardware.
It automatically scales resources based on demand.
It allows for isolated testing without affecting the host system.
It guarantees higher performance compared to a native installation.
A company is using a cloud-based email service where users access their email through a web browser or a dedicated application. This is an example of which cloud computing service model?
Infrastructure as a Service (IaaS)
Platform as a Service (PaaS)
Software as a Service (SaaS)
Hybrid Cloud
Which of the following is a characteristic of a Type 1 hypervisor?
It runs as an application within a host operating system.
It has lower overhead compared to Type 2 hypervisors.
It is primarily used for desktop virtualization.
Examples include VMware Workstation and VirtualBox.
A small business wants to move its file storage and sharing to the cloud, allowing employees to access documents from anywhere with an internet connection. Which type of cloud service would BEST suit this need?
IaaS (Infrastructure as a Service) for setting up virtual file servers.
PaaS (Platform as a Service) for developing a custom file sharing application.
SaaS (Software as a Service) for utilizing existing cloud-based file storage and sharing platforms.
On-premise virtualization for creating a local file server.
Which of the following is a primary difference between a virtual machine and a container?
Virtual machines share the host operating system's kernel, while containers have their own dedicated kernel.
Containers are typically more resource-efficient and faster to deploy than virtual machines.
Virtual machines are isolated at the application level, while containers are isolated at the operating system level.
Containers require a hypervisor to run, while virtual machines do not.
A user reports their computer is running very slowly. The technician suspects a malware infection. Following the troubleshooting methodology, what should be the NEXT step after identifying the problem?
Establish a theory of probable cause.
Test the theory
A technician is troubleshooting a network connectivity issue on a workstation. They suspect a faulty Ethernet cable. Which of the following tools would be BEST to quickly verify the physical connection and identify any breaks in the cable?
A multimeter
A cable tester
A loopback plug
A protocol analyzer
A user's computer powers on, but the screen remains black, and there are no beep codes. The technician has already checked the monitor and video cable. What should be the NEXT most likely hardware component to investigate?
The hard drive
The network interface card
The RAM modules
The optical drive
A printer is printing garbled text and strange characters. Which of the following is the MOST likely cause of this issue?
Low ink levels
Incorrect or corrupted printer driver
A paper jam
A faulty fuser unit
A wireless network user reports intermittent connectivity issues. Other users on the same network are not experiencing problems. What is the FIRST thing the technician should check on the affected user's device?
The wireless router's firmware version.
The signal strength and connection to the correct SSID.
The TCP/IP configuration settings.
The network adapter drivers.
A technician suspects a failing power supply in a desktop computer that randomly shuts off. Which tool can be used to directly measure the voltage output of the power supply connectors?
A POST card
A multimeter
A power supply tester
A loopback adapter
A user cannot access a specific website, and pinging the website's IP address fails. Other websites are accessible. What is the MOST likely cause of this problem?
A DNS server issue on the user's computer.
A problem with the user's default gateway.
A firewall blocking traffic to that specific IP address or port.
An issue with the remote website's server or internet connection.
A laptop's battery is no longer holding a charge. The laptop works fine when plugged into the AC adapter. What is the MOST likely cause?
A faulty CMOS battery.
A defective AC adapter.
A failing main battery.
A corrupted operating system power management setting.
A technician is troubleshooting a slow wired network connection on a single workstation. They suspect a duplex mismatch with the network switch port. How can this be resolved?
By replacing the Ethernet cable with a higher category cable.
By manually configuring the speed and duplex settings on both the workstation's NIC and the switch port to match.
By updating the network adapter drivers on the workstation.
By performing a speed test to confirm the actual connection speed.
A user reports that their external USB hard drive is not being recognized by their computer. The drive powers on and makes noise. What is the FIRST step the technician should take?
Replace the USB cable connecting the drive to the computer.
Reformat the external hard drive.
Update the USB controllers on the computer.
Try connecting the external hard drive to a different USB port on the computer.
A computer displays a "BOOTMGR is missing" error. What is the MOST likely cause of this issue?
A faulty CPU.
A corrupted bootloader on the hard drive.
Insufficient RAM.
A problem with the video card.
A laser printer is producing faded prints. Which of the following is the MOST likely cause?
Low paper supply.
A dirty print head.
Low toner levels.
A faulty fuser assembly.
A user complains that their wireless mouse is not responding consistently. What is the FIRST and simplest thing the technician should check?
Reinstall the mouse drivers.
Replace the mouse.
Check the battery level.
Try a different USB port.
A technician is unable to establish a remote desktop connection to a workstation. The workstation is powered on and connected to the network. What is the MOST likely first thing to check on the workstation?
The firewall settings.
The network cable connection.
The DNS server configuration.
The BIOS settings.
A computer is overheating and shutting down. After cleaning the dust from the heatsink and fan, the issue persists. What should be the NEXT step in troubleshooting?
Replace the power supply.
Reapply thermal paste to the CPU.
Upgrade the RAM.
Reinstall the operating system.
A user reports that their internet connection is slow. Other devices on the same network are experiencing similar issues. What is the MOST likely point of failure?
The user's network interface card.
The wireless access point or router.
The Ethernet cable connecting the user's device.
The DNS server settings on the user's device.
A technician is troubleshooting a monitor that displays a dim image. The brightness settings have been checked and are at the maximum. What could be the potential hardware issue?
A faulty video card or driver.
A failing backlight in the monitor.
Incorrect color calibration settings.
A loose video cable connection.
A user cannot print to a network printer. They can access shared files on the network. What is the MOST likely cause?
A network connectivity issue with the user's workstation.
An incorrect IP address configured on the printer.
An issue with the printer driver on the user's computer.
The printer is out of paper.
A computer is making a loud clicking noise and the operating system is running very slowly. What hardware component is the MOST likely to be failing?
The CPU fan.
The hard disk drive.
The power supply fan.
The optical drive.
A technician is using the ping command and receiving "Request timed out" responses. What does this typically indicate?
The target host is actively refusing the connection.
There is a routing problem preventing communication with the target host.
The local network interface is disabled.
The DNS server is not resolving the hostname.
A user's newly installed video card is not being recognized by the operating system. What is the FIRST thing the technician should check?
The power supply wattage.
The compatibility of the video card with the motherboard slot.
If the necessary drivers for the video card are installed.
If the video card is securely seated in the PCI-e slot.
A Bluetooth headset is not pairing with a laptop. Bluetooth is enabled on both devices. What is a common first troubleshooting step?
Update the laptop's operating system.
Ensure both devices are discoverable or in pairing mode.
Replace the Bluetooth adapter in the laptop.
Reset the Bluetooth headset to factory defaults.
A technician suspects a memory issue is causing random system crashes. Which of the following tools can be used to diagnose potential RAM problems?
Disk Defragmenter
System File Checker (SFC)
Memory Diagnostics Tool
Performance Monitor
A user reports that their touchscreen on their laptop is no longer responding to touch input. What is a likely first step in troubleshooting this issue?
Reinstall the operating system.
Update the video drivers.
Restart the laptop.
Replace the laptop screen.
A network share is inaccessible to a user. The user has the correct permissions, and other users can access the share. What is a likely cause on the user's workstation?
A faulty network cable.
Incorrect date and time settings.
The network service on the workstation is not started.
The hard drive is full.
A thermal printer is producing very light and unreadable receipts. What is the MOST likely cause?
Low paper supply.
Incorrect paper type.
A dirty print head.
Low toner levels (thermal printers don't use toner).
Following the CompTIA troubleshooting methodology, after implementing a solution, what is the crucial final step?
Researching the problem further.
Testing the theory again.
Documenting findings, actions, and outcomes.
Escalating the issue to a higher-level technician.
